2 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265810467
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 54, Problem 3DA
Summary Introduction
To determine: The age group targeted for the removal of annual bluegrass weed and the change in the age group selection based on differing circumstances.
Introduction: The invasive species are the ones that grow in the non-native environment and compete with the native plants for space and nutrition and results in damaging of the native population of flora and fauna due to lack of natural predators in a non-native environment.
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Please answer the following questions for me: 1 Why is it important to determine whether or not genes that provides insecticide and fungi resistance may be transferred to wild sunflowers?
2. What factors would you measure (response, or dependent varibles)?
3. Fitness can be measured as a seed set (seed production) Why is it important to measure as seed production?
4. Cultivated sunflowers have one stem that produces one single large flower head, while wild flowers have many branches that produce many flowers. Why is it important to measure branching pattern (number of branches produced by F1 plants, backcrosses and wild type sunflowers?
5. Why is it important to include blackcrosses in the exeriment?
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Larvae and pupae per Bt plant
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-- Mosaic, Cry1Ac plant
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-- Sequential, Cry1Ac plant
--- Sequential, Cry1C plant
Pyramid, two-gene plant
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1
1
3
6
9
12
15
18 21 24
Generation
Figure 1. The figure above shows the average numbers of larvae and pupae of the
moth found per Bt plant in each of the treatments. Note the logarithmic scale on the
y-axis.
Question 3. Why does the line for the sequential, Cry1 Ac plant stop at 12 generations?
Why does the line for sequential, CrylC plant start at 12 generations?
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Larvae and pupae per Bt plant
100
lu
24
-- Mosaic, Cry1Ac plant
--0-- Mosaic, Cry1C plant
-- Sequential, Cry1Ac plant
--- Sequential, Cry1C plant
Pyramid, two-gene plant
1
1
1
3
6
9
12
15
18 21 24
Generation
Figure 1. The figure above shows the average numbers of larvae and pupae of the
moth found per Bt plant in each of the treatments. Note the logarithmic scale on the
y-axis.
Question 4. In the mosaic treatment, which type of plant had the higher density of
moths?
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Jennife
Chapter 54 Solutions
2 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 54.1 - Prob. 1LOCh. 54.1 - Prob. 2LOCh. 54.1 - Explain how species adapt to environmental...Ch. 54.2 - Prob. 1LOCh. 54.2 - Prob. 2LOCh. 54.3 - Prob. 1LOCh. 54.3 - Prob. 2LOCh. 54.3 - Prob. 3LOCh. 54.4 - Prob. 1LOCh. 54.4 - Prob. 2LO
Ch. 54.5 - Prob. 1LOCh. 54.5 - Discuss why populations cannot grow exponentially...Ch. 54.5 - Define carrying capacity and explain what might...Ch. 54.6 - Prob. 1LOCh. 54.6 - Prob. 2LOCh. 54.6 - Prob. 3LOCh. 54.7 - Prob. 1LOCh. 54.7 - Prob. 2LOCh. 54.7 - Prob. 3LOCh. 54 - Prob. 1DACh. 54 - Prob. 2DACh. 54 - Prob. 3DACh. 54 - Prob. 4DACh. 54 - Prob. 5DACh. 54 - Prob. 6DACh. 54 - Prob. 1IQCh. 54 - Prob. 2IQCh. 54 - Prob. 3IQCh. 54 - Prob. 4IQCh. 54 - Prob. 5IQCh. 54 - Prob. 6IQCh. 54 - Prob. 7IQCh. 54 - Prob. 8IQCh. 54 - Suppose experimenters artificially kept the hare...Ch. 54 - Prob. 10IQCh. 54 - Prob. 11IQCh. 54 - Prob. 12IQCh. 54 - Source-sink metapopulations are distinct from...Ch. 54 - The potential for social interactions among...Ch. 54 - When ecologists talk about the cost of...Ch. 54 - Prob. 4UCh. 54 - The difference between exponential and logistic...Ch. 54 - Prob. 6UCh. 54 - Which of the following is an example of a...Ch. 54 - If the size of a population is reduced due to a...Ch. 54 - In populations subjected to high levels of...Ch. 54 - In a population in which individuals are uniformly...Ch. 54 - Prob. 4ACh. 54 - Refer to figure 55.8. What are the implications...Ch. 54 - Prob. 2SCh. 54 - Refer to figure 55.14. Because the number of...Ch. 54 - Refer to figure 55.26. Would increasing the mean...
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- Larvae and pupae per Bt plant 100 I ö 快 -- Mosaic, Cry1Ac plant --0-- Mosaic, Cry1C plant -- Sequential, Cry1Ac plant --- Sequential, Cry1C plant Pyramid, two-gene plant 1 1 1 3 6 9 12 15 18 21 24 Generation Figure 1. The figure above shows the average numbers of larvae and pupae of the moth found per Bt plant in each of the treatments. Note the logarithmic scale on the y-axis. Question 7. How might one test whether the differences in moth density in the two types of plants are due to actual differences in toxicity?arrow_forwardLarvae and pupae per Bt plant 100 lu 24 -- Mosaic, Cry1Ac plant --0-- Mosaic, Cry1C plant -- Sequential, Cry1Ac plant --- Sequential, Cry1C plant Pyramid, two-gene plant 1 1 1 6 9 12 15 18 21 24 Generation Figure 1. The figure above shows the average numbers of larvae and pupae of the moth found per Bt plant in each of the treatments. Note the logarithmic scale on the y-axis. Question 2. On the logarithmic scale, an increase from 0.1 to 0.5 moths per plant is the same magnitude as an increase from 1 to moths. TOKH م ليش 3 H Singlearrow_forwardcorn id purple smooth Purple wrinkled yellow smooth yellow wrinkled W20-AB1-D-13 486 152 162 54 W21-BB1-A-19 445 152 154 94 W20-BB1-D-19 501 153 167 88 W20-AB1-C-16 489 153 94 56 W20-BB1-H-11 480 153 94 56 DIHYBRID CROSS1. ) Consider the possibility that your observational data are of plantsresulting from a dihybrid cross, where the previous generation were heterozygousfor both traits (RrSs x RrSs). Create a Punnett square for this cross and presentthe expected phenotypic ratio.2.) Present your results in a table as dihybrids and determine the observedphenotypic ratio of purple/smooth to purple/shrunken to yellow/smooth toyellow/shrunken. Consider the plant as a whole rather than the individual cobs.arrow_forward
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